Solicitação de exame técnico
#4.1
03/14/1989
RPI 960
Application data
Number
PI8803605Type
Filing
Publication
The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 03/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Col-Ven Sociedad Anônima
AR
Inventors
R. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/14/1989
RPI 960
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Patente extinta em 14/07/2003
09/02/2008
RPI 1965
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09/29/1992
RPI 1139
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03/10/1992
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